paul has led the firm's investments investments. paul, go ahead. what are your initial reactions to this concept? >> huge opportunity. obviously i agree with the entrepreneur in terms of neighborhoods being a fundamentally different social network. the question really comes down to scaleability. like how are you going to knock down neighborhood by neighborhood. and the penetration there while difficult would create significant barriers to entry for the competition. i think it's really interesting. >> local and hyperlocal seems to be a trend in this world that we're looking at julia. your reaction? >> i think the interesting thing here is going to be how they really distinguish themselves from the other tools. you could create something similar to this with google circles. you could create a private group within facebook. the question is how they will get people to sign up for a whole new social network and i wonder if there's an opportunity to layer them on top of facebook. >> i wonder where the revenue stream is going to come from? advertising, so